<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <label for="mn1">美女1</label>
    <input type="radio" id="mn1" v-model="imgUrl" value="https://img0.baidu.com/it/u=2066710797,1295269268&fm=253&fmt=auto&app=120&f=JPEG?w=1422&h=800">
    <label for="mn2">美女2</label>
    <input type="radio" id="mn2" v-model="imgUrl" value="https://img0.baidu.com/it/u=4213316938,3422461529&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500">
    <label for="mn3">美女3</label>
    <input type="radio" id="mn3" v-model="imgUrl" value="https://img2.baidu.com/it/u=526199550,436020053&fm=253&fmt=auto&app=138&f=JPEG?w=344&h=500">
    <label for="mn4">美女4</label>
    <input type="radio" id="mn4" v-model="imgUrl"  value="https://img2.baidu.com/it/u=3179278810,1582590113&fm=253&fmt=auto&app=138&f=JPEG?w=400&h=800">
    <hr>
    <img :src="imgUrl" width="500">
  </div>
  <script src="./vue.js"></script>
  <script>
    const vm = new Vue({
      el: '#app',
      data: {
        imgUrl: ''
      }
    })
  </script>
</body>
</html>